The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  4  2  2  0  0  1  1  1  4  1  2  2  0  0  4  1  4  1
 0  2  0  0  0  2  6  2  0  0  4  2  4  2  6  2  2  0  6  2  4  2  2  6  2  2  4  0  0  4  0  2  6  2  6  0  6  2  2  2  0  4  0
 0  0  2  0  2  2  6  0  0  4  2  2  2  6  4  0  0  0  2  2  0  4  4  0  4  4  0  6  0  2  6  2  0  4  0  2  6  2  6  6  4  0  6
 0  0  0  2  2  0  6  2  4  2  2  0  4  6  0  2  6  0  4  6  2  0  2  6  2  6  2  0  2  0  6  0  4  2  4  6  2  2  0  4  4  2  6
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  4  0  0  0  4  0  4  4  4  0  4  4  4  4  4  4  0  4  0  0  0  4  0  4  0  0  4  4
 0  0  0  0  0  4  0  4  4  0  4  4  0  4  4  4  0  0  4  0  4  0  0  0  4  0  0  4  0  0  0  0  4  0  4  4  0  4  0  0  4  0  4
 0  0  0  0  0  0  4  4  0  4  4  4  0  4  4  0  4  4  4  4  4  4  4  0  0  0  0  0  4  4  4  4  0  0  0  0  0  4  0  4  0  4  4

generates a code of length 43 over Z8 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+205x^36+20x^37+284x^38+104x^39+524x^40+236x^41+558x^42+304x^43+585x^44+236x^45+414x^46+104x^47+271x^48+20x^49+138x^50+73x^52+14x^54+4x^56+1x^60

The gray image is a code over GF(2) with n=172, k=12 and d=72.
This code was found by Heurico 1.16 in 3.71 seconds.